Kanto Regional Development Bureau, Ministry of Land, Infrastructure and Transport Sagami River System Dam Management Office
Sagami River System Dam Management Office Home > Know More about Miyagase Dam > Miyagase Professionals > High-level spillway for normal use

Know More about Miyagase Dam

  • Miyagase Professionals

    High-level spillway for normal use

    High-level spillway for normal use
    Auxiliary Gate
    Type High-pressure slide gate
    Dimensions Net span 2.0 × Door height 2.21m
    Quantity 2 gates
    Design wet depth 56.2m
    Door body weight 8.5t/gate
    Water sealing method Rear 4-directional metal sealing
    Opening/closing machine Hydraulic cylinder type
    Opening/closing speed 0.3m/min
    Head 2.5m
    Opening/closing load When opening: 180tf
    When closing: 130tf
    Main Gate
    Type High-pressure slide gate
    Dimensions Net span 2.0 × Door height 2.0m
    Quantity 2 gates
    Design wet depth 56.2m
    Door body weight 8.5t/gate
    Water sealing method Rear 4-directional metal sealing
    Opening/closing machine Hydraulic cylinder type
    Opening/closing speed 0.3m/min
    Head 2.5m
    Opening/closing load When opening: 180tf
    When closing: 130tf
    Discharge Pipes
    Sectional dimensions Φ2.4 ~ □2.0 ~ 3.0m
    Length 68.5m/pipe
    Quantity 2 pipes
    Weight 110t/pipe
Sagami River System Dam Management Office, Kanto Regional Development Bureau, Ministry of Land, Infrastructure and Transport
2145-50 Minamiyama, Aoyama-Aza, Midori-ku, Sagamihara, Kanagawa Prefecture 252-0156